Home / 97,892.26-135,156.32-75,190.66

Finding the Fourth Proportional to 97,892.26, 135,156.32 and 75,190.66

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Solution

The fourth proportional to 97,892.26, 135,156.32 and 75,190.66 is: 103,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,892.26 : 135,156.32 = 75,190.66 : x
  2. Step 2: Convert to fraction form
    97,892.26/135,156.32 = 75,190.66/x
  3. Step 3: Cross multiply
    97,892.26x = 135,156.32 × 75,190.66
  4. Step 4: Simplify right side
    97,892.26x = 10,162,492,903.97
  5. Step 5: Solve for x
    x = 10,162,492,903.97/97,892.26
  6. Step 6: Final answer
    x = 103,813.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.